Seco 00086838 Indexable Face Mill 1.97in 4 Flute R220.43

Product Description

The SECO 00086838 is an indexable chamfer angle face mill designed for high-production facing operations on machining centers and milling machines. Built on the R220.43 series platform, this cutter accepts four OF 05T305 inserts secured by screw clamping with a positive rake geometry. It has a minimum cutting diameter of 1.97 inches, a maximum cutting diameter of 2.44 inches, and a maximum depth of cut of 0.138 inches. The right-hand cutting direction and normal pitch configuration make it well-suited for stable, consistent face milling passes at speeds up to 11,900 RPM. Machinists and toolroom professionals specify this cutter for flat-surface finishing and chamfering work.

This face mill is used in production and job-shop environments where flat-surface material removal and chamfering are required. It fits machines with a 3/4-inch arbor hole and accepts a standard keyway. The R220.43 series is a common platform in horizontal and vertical milling applications across aerospace, automotive, and general metalworking. Coolant-through capability is not available on this body. The OF 05T305 insert style is required for use with this cutter.

Key Features

• R220.43 series cutter body with 4-insert configuration and screw-clamped positive rake geometry
• Cutting diameter range from 1.97 inches to 2.44 inches for flexible facing coverage
• Maximum depth of cut of 0.138 inches per pass
• Maximum spindle speed of 11,900 RPM for high-throughput facing operations
• 3/4-inch arbor hole with 0.32-inch keyway width for positive drive engagement
• Right-hand cut, normal pitch — stable cutting action suited for general facing and chamfering

Compatibility

Compatible with OF 05T305 inserts. Requires a 3/4-inch arbor for mounting. Designed for use on milling machines and machining centers configured for right-hand cutting tools in the R220.43 series.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Ensure the machine spindle is fully stopped and locked out before mounting or removing the cutter body. Verify arbor fit and keyway alignment before tightening. Insert seating surfaces should be clean and free of chips before torquing insert screws; follow the insert screw torque guidance provided by the insert manufacturer for OF 05T305 fasteners.